I reached out to Ford Performance and got this reply:
Yes, you will have to find a calibration to adjust for the 4.09 gear. If not you will have issues.
Ford Performance does not have one for the Bullit.
Matt Korczyk
Ford Performance Parts Vehicle Coordinator
Ford Performance Parts Tech LIne...
Racerx009, Did you have any issues with throwing codes or speedometer calibration after the 4.09 R&P install? I ordered the 4.09 and am trying to anticipate any issues. Thanks.
I have a 2019 Bullitt that I’m looking to put a SC on. I thought I wanted a Stage 2 Whipple but from what you’ve posted on this thread, I’m really thinking the Procharger might be the better option. If you had to do it over again, would you go with a Procharger Stage 2? Thanks for the info.
kz, thank you for the info! I’ll post some pics and ride impressions. I’m calling Ford Performance to get the alignment specs they recommend. Would you think it would make a difference if I upload the new vdm profile for the magneride before or after I take it in?
I’m set have this installed next week. I’m also having the Steeda G-Trac K-Member Brace, Stop the Hop kit, and their differential bushing kit installed at the same time. Any other recommendations? Adjustable sway bar links or vertical links? I’d rather do it all at once. Thanks for all the info...
Look at this thread: https://www.mustang6g.com/forums/threads/group-buy-4-30-ring-and-pinion-sets-from-yukon-gear-for-2015-mustang.125538/
There currently isn’t a 4:30 ring and pinion for our Bullits. He’s trying to get a group buy going. With our transmission ratios, this might be perfect and...
Schwerin, What's your opinion of the handling pack compared to stock now that you have it on for a bit? Did you do the other mods too? (Steeda Extreme G-Trac, IRS Subframe Braces).
So I was running down the freeway last week when two guys in a lowered Civic with the huge exhaust pull up and try everything to get me to race. I didn't bite. It must have pissed them off so they veered into my lane to try to scare me then accelerated away. i laughed, my wife got pretty upset...
California is definitely slow and they may decline the plate depending on the content. Apparently, they don’t like anything with BULLITT or some variation of that in the configuration. See here: https://www.mustang6g.com/forums/threads/vanity-plates-arrived.110431/page-4
I’ve been waiting for my...